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Google圖書搜尋
United States Magnetic Tables and Magnetic Charts for 1905
U.S. Coast and Geodetic Survey
Louis Agricola Bauer
出版
U.S. Government Printing Office
, 1908
URL
http://books.google.com.hk/books?id=eL0MAAAAYAAJ&hl=&source=gbs_api
EBook
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